Domain 2-part 1

Question 1

3 spanning tree port states,

Answer 1

Learning, Listening, forwarding

Question 2

A cable type that cannot carry electrical power,

Answer 2

Cat 3 RJ11

Question 3

What access method is used by 802.11b,

Answer 3

CSMA/CA–is used in wireless networking.

Question 4

Ethernet uses what kind of technology

Answer 4

CSMA/CD

Question 5

802.11g wireless devices can be compatible with which other 802.11X,

Answer 5

802.11b

Question 6

802.11a network use which topology type?

Answer 6

Wireless

Question 7

Name 2 IEEE which are capable of operating at 54Mbps,

Answer 7

802.11a & 802.11g

Question 8

Name 3 IEEE which are capable of operating at 11Mbps,

Answer 8

802.11a; 802.11b; 802.11g–the highest speed an 802.11b can reach is 11 MPS. The others are faster but also communicate at lower speeds

Question 9

Name a IEEE which is capable of operating in the 2.4 Ghz band at either 11 Mbps or 54 Mbps,

Answer 9

802.11g can be made backward compatible

Question 10

The single Class C network 216.32.23.0 can be broken into multiple smaller networks by what process,

Answer 10

subnetting

Question 11

How is subnetting created,

Answer 11

by changing the value of the subnet mask

Question 12

If the subnet mask is 255.255.255.0 how many available addresses,

Answer 12

254 available addresses

Question 13

If the subnet mask is 255.255.255.192 how many available addresses,

Answer 13

4 subnets and 62 hosts available on each

Question 14

If you are connected to the Internet through a hot spot, what connection speed can you expect,

Answer 14

2-11 Mbps

Question 15

If you are connected to the Internet through a hot spot, what connection type do you have,

Answer 15

WI-FI

Question 16

Which wireless security protocol was designed to simulate the physical security of a wired LAN,

Answer 16

WEP

Question 17

What Wi-Fi security protocol provides better protection,

Answer 17

WPA

Question 18

Explain a DHCP lease with a server,

Answer 18

The lease can be terminated by either the client or the server

Question 19

On a machine running Windows what command would release the IP address,

Answer 19

ipconfig/release

Question 20

On a machine running Windows what command would renew the IP address,

Answer 20

ipconfig/renew

Question 21

Wireless signals can have a wave length between 1-10 meters. When a signal encounters an object greater than its wavelength what occurs,

Answer 21

Reflection

Question 22

The effects of scattering, reflecting, and diffracting on a wireless signal are referred collectively as______

Answer 22

Fading

Question 23

What does not represent a problem for a wireless signal,

Answer 23

ESD

Question 24

In the US, how many channels are available in the 2.4 GHz band for use by 802.11 devices,

Answer 24

11

Question 25

In performing the initial configuration on an 802.11g router with your laptop-how would you connect,

Answer 25

Connect directly to a data port with an RJ-45 patch cable

Question 26

What is the preferred SSID for an access point that is part of an ESS?

Answer 26

SSID should match its ESS

Question 27

At which layer of the OSI Model is error checking and packet fragmentation handled in 802.11 networks,

Answer 27

MAC

Question 28

What 802.11 standard uses the 2.4 GHz band and has a maximum throughput of 11 Mbps,

Answer 28

802.11b

Question 29

What 802.11 standard uses the 5 GHz band and has a maximum throughput of 54 Mbps,

Answer 29

802.11a

Question 30

What 802.11 standard uses the 2.4 GHz band and has a maximum throughput of 54 Mbps,

Answer 30

802.11g can be made backward compatible

Question 31

What 802.11 standard uses the 2.4. GHz band and has a maximum throughput of 600 Mpbs,

Answer 31

802.11n

Question 32

What is the meaning of VTP,

Answer 32

VLAN Trunk Protocol

Question 33

What security technique would prevent uses from using FTP,

Answer 33

Port filtering

Question 34

In a SOHO environment, what is responsible for translating external IP addresses into a routable IP address,

Answer 34

NAT

Question 35

What issues a private non-routable IP address that uses the external public IP address to communicates with external sites,

Answer 35

PAT

Question 36

3 choices that MUST match for a success wireless communication,

Answer 36

Channel number, SSID, Encryption

Question 37

In the 2.4.GHz frequency band, how many unlicensed channels are available for used in wireless networking,

Answer 37

11

Question 38

What 802.11x version was released first,

Answer 38

802.11b

Question 39

How many channels are available for use with 802.11n technology,

Answer 39

24

Question 40

In 802.11n technology, how wide is each channel?

Answer 40

20 MHz

Question 41

What is channel bonding that is used in an 802.11n device,

Answer 41

2 adjacent channels are combined. Doubles bandwidth and also use the 5MHz gap that exists between all channels

Question 42

To fully utilize from aggregation, what is the optimal 802.11n frame size,

Answer 42

64 KB

Question 43

What is the frame size of an 802.11g frame,

Answer 43

4 KB

Question 44

To add a default gateway to a network, what command would you use in conjunction to the desired gateway address,

Answer 44

Route add -r

Question 45

What are 3 commands that can be used along with a route command,

Answer 45

Print, Change, and delete